Home / 147,039.44-220,581.04-68,161.64

Finding the Fourth Proportional to 147,039.44, 220,581.04 and 68,161.64

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Solution

The fourth proportional to 147,039.44, 220,581.04 and 68,161.64 is: 102,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,039.44 : 220,581.04 = 68,161.64 : x
  2. Step 2: Convert to fraction form
    147,039.44/220,581.04 = 68,161.64/x
  3. Step 3: Cross multiply
    147,039.44x = 220,581.04 × 68,161.64
  4. Step 4: Simplify right side
    147,039.44x = 15,035,165,439.31
  5. Step 5: Solve for x
    x = 15,035,165,439.31/147,039.44
  6. Step 6: Final answer
    x = 102,252.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.